| 黎腊梅，张 杰，杨国涛，韦叶娜，蒋 芬，陈 敬，张圣豪，胡运高.不同杂交稻品种产量与氮素积累利用的差异[J].广东农业科学,2017,44(3):1-7 |
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不同杂交稻品种产量与氮素积累利用的差异 |
| Differences in yield，nitrogen accumulation and utilizationof different genotypes of hybrid rice |
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| DOI：10.16768/j.issn.1004-874X.2017.03.001 |
| 中文关键词: 杂交稻 氮肥水平 产量 氮素积累利用 |
| 英文关键词: hybrid rice nitrogen fertilizer level yield nitrogen accumulation and utilization |
| 基金项目:国家科技支撑计划项目（2014BAD01B03-3）；四川省“十三五”水稻育种攻关项目（2016NYZ
0028）；四川省省属高校科研创新团队建设计划项目（14TD0011）；国家现代农业产业技术体系四川水稻创新团队岗
位专家项目（川农业函[2014]91 号）；2016 年度大学生创新创业训练计划项目（201610619018） |
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| 摘要点击次数: 3347 |
| 全文下载次数: 1800 |
| 中文摘要: |
| 为研究不同杂交水稻品种在不同氮肥水平下的产量与氮素积累利用的差异，以4 个高产优质
的国审杂交水稻品种（宜香优2115、宜香优1577、冈优188、冈优1577）为材料，在低氮、正常氮和高氮肥
3 个水平下进行试验。结果表明：杂交水稻的产量和氮素积累利用性状均受品种和氮肥水平互作效应控制，
宜香优2115 在正常氮肥水平的产量与氮素收获指数均最高，其在正常氮肥水平表现为氮素高效利用；宜香
优1577 在低氮水平的氮素收获指数最高且产量也较高，其在低氮水平表现为氮素高效利用；冈优188 在高
氮水平的产量与氮素收获指数均最高，其在高氮水平表现为氮素高效利用；冈优1577 在高氮水平的氮素收
获指数最高且产量也较高，其在高氮水平表现为氮素高效利用。在不同氮肥水平下，4 个杂交水稻的产量均
受氮素收获指数影响最大。因此，不同杂交水稻品种对氮素的高效利用所适合的氮素水平不尽相同，在不
同肥力水平的生态区域，需谨慎选择水稻品种。 |
| 英文摘要: |
| In order to study the differences of yield，nitrogen accumulation and utilization of different genotypes
of hybrid rice under different nitrogen application rates，Yixiangyou 2115，Yixiangyou 1577，Gangyou 188 and
Gangyou 1577 were used as materials under the levels of low nitrogen，normal nitrogen and high nitrogen fertilizer.
The results showed that yield，nitrogen accumulation and utilization of four hybrid rices were all controlled by the
interaction effect of variety and nitrogen fertilizer level. At the normal nitrogen level，the yield and nitrogen harvest
index of Yixiangyou 2115 were at the highest level，and its nitrogen use efficiency was high at normal nitrogen
application level. Yixiangyou 1577 had the highest nitrogen harvest index and higher yield at the low nitrogen level，
and its nitrogen use efficiency was high at low nitrogen level. Gangyou 188 had the highest yield and nitrogen harvest
index at high nitrogen level，and its nitrogen use efficiency was high at the high nitrogen level. Gangyou 1577 had the
highest nitrogen harvest index and high yield at high nitrogen level，and its nitrogen use efficiency was high at high
nitrogen level. The yield of four hybrid rice varieties were most affected by nitrogen harvest index at different nitrogen
fertilizer levels. Therefore，nitrogen use efficiency of different hybrid rice varieties had different suitable levels of
nitrogen，rice variety should be chosen carefully in the ecological areas of different fertility levels. |
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